Which of the following is NOT true about audio channels?
A. Stereo channels are the best choice for an audio message.
B. Sound-editing software enables you to change the audio channel of an audio file.
C. Stereo has two channels.
D. A mono channel might not provide the best listening experience for your website visitors.
Answer: A
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a. 4.0 b. 3.0 c. 5.0 d. 6.0 e. 2.0
While a variety of factors can produce red shifts in the spectrum, the one associated with the expansion of the universe is called
A) universal. B) cosmological. C) olberian. D) relativistic. E) the Zeeman Effect.
A shopping cart moves with a kinetic energy of 40 J. If it moves at twice the speed, its kinetic energy is
A) 40 J. B) 80 J. C) 160 J. D) not enough information
We know the Sun rotates differentially by observing sunspots; as with Jupiter the solar equator rotates the fastest
Indicate whether the statement is true or false